Import Q_strlcpy() and replace several dangerous strncpy() with it.

src/g_spawn.c

@@ -813,11 +813,11 @@ SP_worldspawn(edict_t *ent)
 	if (ent->message && ent->message[0])
 	{
 		gi.configstring(CS_NAME, ent->message);
-		strncpy(level.level_name, ent->message, sizeof(level.level_name));
+		Q_strlcpy(level.level_name, ent->message, sizeof(level.level_name));
 	}
 	else
 	{
-		strncpy(level.level_name, level.mapname, sizeof(level.level_name));
+		Q_strlcpy(level.level_name, level.mapname, sizeof(level.level_name));
 	}
 
 	if (st.sky && st.sky[0])

src/g_target.c

@@ -121,7 +121,7 @@ SP_target_speaker(edict_t *ent)
 	}
 	else
 	{
-		strncpy(buffer, st.noise, sizeof(buffer));
+		Q_strlcpy(buffer, st.noise, sizeof(buffer));
 	}
 
 	ent->noise_index = gi.soundindex(buffer);

src/header/shared.h

@@ -202,6 +202,8 @@ void Com_PageInMemory(byte *buffer, int size);
 int Q_stricmp(const char *s1, const char *s2);
 int Q_strcasecmp(char *s1, char *s2);
 int Q_strncasecmp(char *s1, char *s2, int n);
+int Q_strlcpy(char *dst, const char *src, int size);
+int Q_strlcat(char *dst, const char *src, int size);
 
 /* ============================================= */
 

src/shared/shared.c

@@ -1072,6 +1072,43 @@ Q_strcasecmp(char *s1, char *s2)
 	return Q_strncasecmp(s1, s2, 99999);
 }
 
+int
+Q_strlcpy(char *dst, const char *src, int size)
+{
+	const char *s = src;
+
+	while (*s)
+	{
+		if (size > 1)
+		{
+			*dst++ = *s;
+			size--;
+		}
+		s++;
+	}
+	if (size > 0)
+	{
+		*dst = '\0';
+	}
+
+	return s - src;
+}
+
+int
+Q_strlcat(char *dst, const char *src, int size)
+{
+	char *d = dst;
+
+	while (size > 0 && *d)
+	{
+		size--;
+		d++;
+	}
+
+	return (d - dst) + Q_strlcpy(d, src, size);
+}
+
+
 void
 Com_sprintf(char *dest, int size, char *fmt, ...)
 {